Table 5

Balance Check—Regression of Firstborn Demographics on the Indicator for a Next Brother

Dependent Variable	Firstborn Females		Firstborn Males
Dependent Variable	Unconditional (1)	Control for the Other Covariates (2)	Unconditional (3)	Control for the Other Covariates (4)
Urban (firstborn birthplace)	0.0016	0.0000	−0.0003	0.0000^*
Mother’s highest qualification
College degree+	0.0014^*	0.0008	0.0001	0.0000
Professional degree	0.0006	0.0003	−0.0003	−0.0002
High school diploma	−0.0001	−0.0001	0.0003	0.0003
Vocational high school diploma	0.0030^*	0.0017	0.0028^*	0.0014
Junior high school diploma	−0.0019	0.0004	0.0006	0.0010
Father’s highest qualification
College degree+	0.0013	0.0000	0.0010	0.0012^*
Professional degree	0.0010	0.0002	0.0004	0.0007
High school diploma	0.0015	0.0006	0.0009	0.0011
Vocational high school diploma	0.0012	0.0003	0.0017	0.0013
Junior high school diploma	−0.0033^*	−0.0011	−0.0008	0.0002

Notes: The table reports the OLS estimated coefficients of Boy2nd in a regression of urban or each parental education level. Covariates not listed here are the full set of indicators for the district of firstborn’s birthplace, parents’ years of birth, and maternal age at the first birth.
↵* indicates the 5% significant level.